Reef Kalkwasser 500 grams

Pure calcium hydroxide with unsurpassed purity and solubilityIncreases or maintains calcium concentration at natural seawater levelsIdeal way to maintain crucial calcium levels in reef aquariumsUltra fine, easy-to-mix, powdered calcium hydroxide for reliable calcium supplementation. Produces a kalkwasser solution that maintains calcium concentrations at natural seawater levels in your reef aquarium. Contains no phosphates. Use with a doser to dispense prepared kalkwasser. 500 grams makes 650 L. of kalkwasser solution.Please click on "More Information" for directions for use.